Since its introduction, Near Field Communication (NFC) is better known for wireless payments. Its commercial application has since expanded to the transportation and retail industries in several places around the world. Some companies use the technology for secure keycards, business cards, and even for employee use in buying pantry food.

NFC technology use in the mobile industry is also fast growing. All major manufacturers of Android smartphones and tablets have at least one NFC-bearing product. Most recent high-end releases from mobile device makers usually include NFC functionality.

If you’ve ever wanted to know how to use NFC on Android, you’ll find some of your questions answered in this post. Read on to find out more about using Near Field Communication on your phone or tablet. (Or, jump to our video guide on YouTube.)

What is NFC?

The name for the technology is a giveaway to how it actually works. You have two NFC-capable devices, and they are able to communicate with each other if they are close to each other (i.e., “near” each other’s “fields”). Communication occurs via radio frequencies. Check out our other expanded overview of NFC and how it works for more details.

Neither very old nor very new, NFC technology has become a buzzword in the Android phone and tablet industries lately. Most recent phone and tablet releases include NFC chips. There are currently about a hundred Android devices that support NFC.

In the mobile scene, NFC is being marketed as a file-sharing or data-sharing tool. This specific use came to the fore when Google released Android 4.0 Ice Cream Sandwich, which also debuted the Android Beam functionality. Through NFC and Android Beam, devices can swap files very quickly to each other. More than that, the presence of NFC on an Android device also allows the same device to read and/or write to programmable NFC tags.

Do you have NFC?

Not all phones and tablets have NFC. Does yours have NFC? How do you check for its presence? One way is to check underneath the backplate and check for small print or other clues. On certain Samsung phones such as the Galaxy S3, for instance, you’ll see “Near Field Communication” printed on the battery pack.

On some other models such as the Galaxy Note 2, you’ll see no such print, but you’ll see an NFC antenna embedded on the backplate itself.

On some devices — especially Sony Xperia handsets — you’ll see the N-Mark — the official symbol indicating that the device is NFC-enabled.

Or, you can skip all of the hardware fiddling and just check your phone’s Settings menu:

On your Android device, tap on Settings.

Under Wireless & Networks, tap More.

Scroll down and you should see the NFC and Android Beam options.

Activating NFC

If your device has NFC, the chip and Android Beam need to be activated so that you can use NFC:

Go to Settings > Wireless & Networks > More.

Tap on the NFC switch to activate it. The Android Beam function will also automatically turn on.

If Android Beam does not automatically turn on, just tap it and select Yes to turn it on.

Smartphones’ NFC capabilities operate in tandem with Android Beam. If Android Beam is disabled, it may limit NFC’s sharing capacity.

Data Sharing via NFC

With NFC activated, you already use it for beaming data. For successful data sharing, take note of the following:

Both sending and receiving devices must have NFC and Android Beam activated.

Neither of the devices should be asleep or locked.

You’ll get both audio and haptic feedback when the two devices detect each other.

Do not separate your devices until the beaming has started.

You’ll hear audio feedback when the file or content has been successfully beamed.

At this time, the ability to share content is limited to small files. Regardless, you can still send content or file types such as web pages, map locations, and contacts with no trouble.

Beaming Content via NFC

Whatever content or data it is you want to share via NFC (e.g., photos/images, contact info, webpages, videos, apps, etc.) — and regardless of whether you’re beaming to a tablet or to a phone from a phone or from a tablet — the generic way to beam content remains the same:

Open the content to be shared.

Place both devices’ backs against each other.

Wait for sound and haptic confirmation that both devices have detected each other.

Notice the sender’s screen shrink into a thumbnail and display “Touch to beam” at the top.

When beaming completes, you’ll hear audio confirmation. You’ll also get either a notification that the beaming has completed, or the appropriate handler app will launch and open the beamed content.

Sharing Apps

Sharing apps via NFC does not share the app’s APK. Instead, the sender device just beams the app’s Play Store page, and the receiver device opens it, ready for downloading.

Sharing Web Content and Information

Sharing web pages via NFC does not send the web page itself. Rather, it merely sends the Web page URL and causes the other device to open it on the device’s default Web browser.

Sharing YouTube Videos

Technically, sharing YouTube videos does not share the video file. It does, however, direct the receiving phone’s YouTube app to the video.

Sharing Contact Information

When sharing a contact via NFC and the receiving device has several Google accounts set up, the receiving device prompts the user about which account to create the new contact in. Otherwise, the contact info will be automatically saved and the People app will display it.

Sharing photos/images

Not all NFC-capable devices can share photos to each other. Phones like the HTC One X and the Sony Xperia TX have a hard time beaming files to each other. In cases where photo beaming succeeds, the receiving device gets a notification that the beam is completed and when tapped, the beamed photo is displayed in the Gallery.

Sharing local videos

Not all NFC-capable devices can share videos to each other either. Just like its woes with photos, the HTC One X and the Sony Xperia TX have a hard time beaming local videos to each other. Also, in certain device pairings where video beaming succeeds, don’t be surprised if the beaming takes some significant amount of time. Just as in photo beaming, the receiving device gets a notification alert of the beam completion.

Using NFC Tags

Apart from sharing content with other NFC-capable devices, you can also use NFC to configure your phone’s or tablet’s settings with just a tap. You can do this by tapping an NFC-capable device against a programmed NFC tag.

An NFC tag is an unpowered NFC chip, small enough to be embedded in items such as posters, movie passes, business cards, medication bottles, stickers, wristbands, keyfobs, pens, hang tags, and more. The microchip can store small chunks of data, which can be read by an NFC-capable device. Different NFC tags have different memory capacities. You can store different data types on an NFC tag, such as a URL, contact info, or even commands and settings that the reading device could execute upon contact.

To read data from or write data to such NFC tags, you’ll need an NFC tag-reading or tag-writing app, such as theNFC Task Launcher app, available from the Google Play Store. Tags programmed using this app can only be read by devices that have this same app installed.

You can program an NFC tag to perform tasks such as open a web page, configure phone settings, or even send text just by tapping the device against the tag. So, for instance, you may want to program an NFC tag for use when you reach the office, where you’d need your phone set to vibra mode, Wi-Fi set to on, and Bluetooth inactive. Just tap your device’s back against the programmed tag, and the device will perform the tasks programmed onto the tag.

Using NFC Task Launcher, you can encode NFC tags and perform tasks or adjust settings, such as the following:

To save all your selected actions/tasks onto the NFC tag, just tap the Save & Write button. And, to execute the actions or tasks, just tap the device’s back against the tag.

Video Guide

For a quick overview on how to use NFC on Android, check our video guide on YouTube:

Conclusion

Most of the newest Android handsets already come with NFC functionality, although it may not yet be one of any device’s strongest selling points. For now, its application on Android tablets and phones is still limited to quick content sharing, wireless payment, and task launching. Yet, NFC’s future appears wide and bright.

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